Table 2. Comparison of urinary biomarker levels between fDGF group and IGF group.
| Biomarker | Time after transplant | Total (n=140) | fDGF (n=37) | IGF (n=103) | P value |
|---|---|---|---|---|---|
| uKIM-1/uCr (ng/mmol) | 0 hour postoperative | 4.741 (3.770–6.011) | 5.885 (4.420–7.913) | 4.605 (3.417–5.653) | 0.001** |
| 1st day postoperative | 4.452 (3.602–5.705) | 5.569 (4.181–6.722) | 4.002 (3.222–6.488) | 0.000** | |
| 3rd day postoperative | 4.099 (2.241–6.5913) | 4.362 (3.501–6.950) | 3.696 (1.879–6.547) | 0.175 | |
| uL-FABP/uCr (μg/mmol) | 0 hour postoperative | 74.639±39.237 | 89.818±39.332 | 69.187±37.926 | 0.006** |
| 1st day postoperative | 74.630±43.795 | 82.197±44.773 | 71.912±43.336 | 0.222 | |
| 3rd day postoperative | 69.705 (32.723–92.533) | 77.835 (60.368–100.678) | 66.841 (28.815–89.783) | 0.037* | |
| uNGAL/uCr (ng/mmol) | 0 hour postoperative | 0.720 (0.500–1.483) | 0.640 (0.440–0.915) | 0.760 (0.550–1.540) | 0.060 |
| 1st day postoperative | 0.740 (0.513–1.268) | 0.700 (0.500–0.895) | 0.820 (0.510–1.390) | 0.147 | |
| 3rd day postoperative | 0.775 (0.500–1.275) | 0.610 (0.510–1.140) | 0.810 (0.480–1.350) | 0.357 | |
| uNAG/uCr (ng/mmol) | 0 hour postoperative | 12.435 (8.650–17.525) | 13.697 (10.262–19.575) | 11.671 (8.136–17.317) | 0.109 |
| 1st day postoperative | 12.395 (8.040–16.535) | 12.542 (10.280–17.933) | 12.254 (7.379–16.031) | 0.220 | |
| 3rd day postoperative | 12.125 (7.248–1.155) | 13.341 (11.142–17.158) | 11.554 (6.453–17.237) | 0.083 |
Data that conform to a normal distribution are represented by the mean ± standard deviation (SD), and non-normally distributed data are represented by the median (interquartile range). *, P<0.05; **, P<0.01. fDGF, functional delayed graft function; IGF, immediate graft function; uKIM-1, urinary kidney injury molecular 1; uL-FABP, urinary fatty acid-binding protein; uCr, urinary creatinine; uNGAL, urinary neutrophil gelatinase-related lipoprotein; uNAG, N-acetyl-β-D glucosaminidase; uKIM-1/uCr, the ratio of uKIM-1 to uCr; uL-FABP/uCr, the ratio of uL-FABP to uCr; uNGAL/uCr, the ratio of uNGAL to uCr; uNAG/uCr, the ratio of uNAG to uCr.